Gemini Pro Adult Combo Dive Set Mask & Snorkel *Assorted ColorsMask:Dual Lens Tempered Glass Construction provides a wide-angle view, enhanced comfort, and visual clarityFull-face liquid silicone gasket assures a leak-free fitPivoting silicone split head strap for precise fit and comfortLatex-free, no skin irritation, hypoallergenicSnorkel:Angled-barrel with adjustable mask retainer clipVented dry top keeps water out when diving beneath the surfaceAutomatic purge valve systems helps clear out waterLatex-free, no skin irritation, hypoallergenic